Add device node for memory dump on sm8250. Usage of memory dump
is to populate configuration in reserved memory, allowing
firmware to do the dump accordingly.
Signed-off-by: Zhenhua Huang <quic_zhenhuah@xxxxxxxxxxx>
---
arch/arm64/boot/dts/qcom/sm8250.dtsi | 31 +++++++++++++++++++++++++++++++
1 file changed, 31 insertions(+)
diff --git a/arch/arm64/boot/dts/qcom/sm8250.dtsi b/arch/arm64/boot/dts/qcom/sm8250.dtsi
index a4e58ad..d379524 100644
--- a/arch/arm64/boot/dts/qcom/sm8250.dtsi
+++ b/arch/arm64/boot/dts/qcom/sm8250.dtsi
@@ -674,6 +674,11 @@
reg = <0x0 0x80000000 0x0 0x0>;
};
+ mem-dump {
+ compatible = "qcom,mem-dump";
+ memory-region = <&dump_mem>;
+ };
+
pmu {
compatible = "arm,armv8-pmuv3";
interrupts = <GIC_PPI 7 IRQ_TYPE_LEVEL_LOW>;
@@ -851,6 +856,13 @@
reg = <0x0 0x8bf00000 0x0 0x4600000>;
no-map;
};
+
+ dump_mem: mem-dump-region {
+ compatible = "shared-dma-pool";
+ size = <0 0x2800000>;
+ alloc-ranges = <0x0 0x00000000 0x0 0xffffffff>;
+ reusable;
+ };
};
smem {
@@ -5424,6 +5436,25 @@
};
};
+ sram@146bf000 {
+ compatible = "qcom,sm8250-imem", "syscon", "simple-mfd";
+ reg = <0 0x146bf000 0 0x1000>;
+ ranges = <0 0 0x146bf000 0x1000>;
+
+ #address-cells = <1>;
+ #size-cells = <1>;
+
+ mem-dump-table@10 {
+ compatible = "qcom,qcom-imem-mem-dump-table";
+ reg = <0x10 0x8>;
+ };
+
+ mem-dump-table-size@724 {
+ compatible = "qcom,qcom-imem-mem-dump-table-size";
+ reg = <0x724 0x8>;
+ };
+ };
+
apps_smmu: iommu@15000000 {
compatible = "qcom,sm8250-smmu-500", "qcom,smmu-500", "arm,mmu-500";
reg = <0 0x15000000 0 0x100000>;
--
2.7.4
